class_docstr: Timer class.
  Original code: https://github.com/miguelgfierro/codebase
  
  Examples:
      >>> import time
      >>> t = Timer()
      >>> t.start()
      >>> time.sleep(1)
      >>> t.stop()
      >>> t.interval < 1
      True
      >>> with Timer() as t:
      ...   time.sleep(1)
      >>> t.interval < 1
      True
      >>> "Time elapsed {}".format(t) #doctest: +ELLIPSIS
      'Time elapsed 1...'
docstr: Start the timer.
docstr_tok: ["Start","the","timer","."]
code: def start(self):
      """Start the timer."""
      self.init = self._timer()
      self.running = True
  
file_path: interpret-text/python/interpret_text/experimental/common/timer.py
imports: from timeit import default_timer
label_desc: Use image node_id 5 for calling the Timer obj's underlying member method code with example usage: obj.start() without return types